<template>
  <el-dialog
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible"
  >
    <el-form
      :model="dataForm"
      :rules="dataRule"
      ref="dataForm"
      @keyup.enter.native="dataFormSubmit()"
      label-width="80px"
    >
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="由数字字母下划线组成"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item label="租户列表" prop="tenantId">
        <el-select v-model="dataForm.tenantId" placeholder="请选择租户" @change="handlerChangeTenant">
          <el-option
            v-for="item in tenantList"
            :key="item.tenantNum"
            :label="item.name"
            :value="item.tenantNum"
          ></el-option>
        </el-select>
      </el-form-item>
      <el-form-item size="mini" label="授权">
        <el-tree
          :data="menuList"
          :props="menuListTreeProps"
          node-key="menuId"
          ref="menuListTree"
          :default-expand-all="true"
          show-checkbox
        ></el-tree>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
import { treeDataTranslate } from '@/utils'
export default {
  data() {
    return {
      visible: false,
      menuList: [],
      menuListTreeProps: {
        label: 'name',
        children: 'children'
      },
      currentTenantId: this.$cookie.get('tenantId'),
      dataForm: {
        id: 0,
        roleName: '',
        remark: '',
        tenantId: ''
      },
      dataRule: {
        roleName: [
          { required: true, message: '角色名称不能为空', trigger: 'blur' }
        ]
      },
      tempKey: -666666 // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
    }
  },
  methods: {
    init(id) {
      this.dataForm.id = id || 0

      this.visible = true
      this.$nextTick(async () => {
        this.$refs['dataForm'].resetFields()
        this.$refs.menuListTree.setCheckedKeys([])
        if (this.dataForm.id) {
          let res = await this.$http({
            url: '/role/info',
            method: 'post',
            data: { roleId: this.dataForm.id }
          })
          if (res && res.code === 200) {
            this.dataForm.roleName = res.data.roleName
            this.dataForm.remark = res.data.remark
            this.dataForm.tenantId = res.data.tenantId
            var idx = res.data.menuIdList.indexOf(this.tempKey)
            if (idx !== -1) {
              res.data.menuIdList.splice(idx, res.data.menuIdList.length - idx)
            }
            this.$refs.menuListTree.setCheckedKeys(res.data.menuIdList)
            this.handlerChangeTenant(this.dataForm.tenantId)
          }
        }
      })
    },
    // 表单提交
    async dataFormSubmit() {
      let valid = await this.$refs['dataForm'].validate()
      if (!valid) return
      let res = await this.$http({
        url: `/role/${
          !this.dataForm.id ? 'save' : 'update'
        }`,
        method: 'post',
        data: {
          roleId: this.dataForm.id || undefined,
          roleName: this.dataForm.roleName,
          remark: this.dataForm.remark,
          tenantId: this.dataForm.tenantId,
          menuIdList: []
            .concat(
              this.$refs.menuListTree.getCheckedKeys(),
              [this.tempKey],
              this.$refs.menuListTree.getHalfCheckedKeys()
            )
            .join(',')
        }
      })
      if (res && res.code === 200) {
        this.$message({
          message: '操作成功',
          type: 'success',
          duration: 1500
        })
        this.visible = false
        this.$emit('refreshDataList')
      } else {
        this.$message.error(res.msg)
      }
    },
    // 根据租户id获取所属租户的菜单
    async handlerChangeTenant(tenantNum) {
      let res = await this.$http({
        url: '/tenant/getTenantMenuByTenantId',
        method: 'post',
        data: { tenantNum: tenantNum }
      })
      this.menuList = treeDataTranslate(res.data, 'menuId')
    }
  },
  computed: {
    tenantList() {
      return this.$store.state.user.tenantList
    }
  }
}
</script>
